In Magic: The Gathering, does the keyword Replicate make multiple spells?

Replicate does create multiple spells, but those spells are not played--they are placed on the stack.

So if you play Pyromatics and pay its replicate cost three times, then four copies of Pyromatics go on the stack. If one of them is countered, then the other three resolve as normal.

However, only the original Pyromatics counts as being *played*. The others are just put on the stack.

This means that if you play Pyromatics and pay its replicate cost three times, your Wee Dragonauts only get +2/+0, because Wee Dragonauts say "Whenever you *play* an instant or sorcery spell..."

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Relevant sections from the Comprehensive Rules:

From 502.52a: “Replicate [cost]” means “As an additional cost to play this spell, you may pay [cost] any number of times” and “When you play this spell, if a replicate cost was paid for it, copy it for each time its replicate cost was paid. If the spell has any targets, you may choose new targets for any number of the copies.”

From 503.10: To copy a spell or activated ability means to put a copy of it onto the stack; a copy of a spell or ability isn’t “played.”

Replicate is glorious, it literally places many copies of the same spell on the stack, thus if someone counters the original spell and you replicated it twice, they still have two more to counter. A rather sad day for them.

Edit: In looking at the rules again, I have found my advice about the Wee Dragonauts and Gelectrode were both incorrect due to the wording of being "played"

Mtg Replicate

You determine the amount of spells made by replicate. Countering the 1st does not stop the replicated since the initial spell needs not resolve for the replicated spells to go on the stack.

And yes the creature's ability triggers for EACH spell as long as its the right kind of spell.

Any nonland card is a spell jointly because it relatively is on the stack. as quickly because it resolves, it relatively is now no longer a spell and is the two an eternal or interior the graveyard (if it grew to become into an on the spot or sorcery). surely what you will desire to understand is this: each nonland card is a spell jointly because it relatively is being performed. as quickly as that is on the board, there is not any thank you to electrify it with a counterspell, except it has an activated or delivered on skill and you have a card which could counter those skills like Stifle or Voidslime.